Area of Irregular Figures - Grade 8 Math

This worksheet focuses on calculating the area of irregular figures by decomposing them into simpler geometric shapes.

Grade 8 Math GeometryArea of Irregular Figures

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Includes

3 Short AnswerFill in the BlanksTrue / False

Standards

CCSS.MATH.CONTENT.7.G.B.6

Topics

mathgeometryareairregular figuresgrade 8

7 sections · Free to use · Printable

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Area of Irregular Figures

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Read each question carefully and calculate the area of the irregular figures. Show all your work.

1. Find the area of the irregular figure below. All angles are right angles. (Dimensions are in cm)

2. To find the area of an irregular figure, you can often it into simpler shapes like rectangles and triangles.

3. The area of the complex shape shown is the sum of the areas of a rectangle with dimensions 5ft by 10ft and a triangle with a base of 5ft and a height of 4ft. The total area is square feet.

4. Calculate the area of the figure formed by a rectangle with length 12m and width 8m, and a semicircle attached to one of its 8m sides. Use π ≈ 3.14.

5. An irregular figure can always be divided into a combination of rectangles and squares only.

True

False

6. A landscaper is designing a garden shaped like the figure below. Calculate the total area of the garden. (Dimensions are in yards)